.popup-box{
    position: absolute;
    z-index: 99;
    top: 0;
    background-color: rgba(0, 0, 0, 0.5);
    width: 100%;
    height: 100%;
  }
  .info-top{
    position: fixed;
    z-index: 999;
    width: 100%;
    top: 0;
    background-color: white;
    border-radius: 0 0 8rpx 8rpx;
  }